storage: add comment about source volume lookup

2017-07-12 21:37:12 +02:00 · 2017-07-12 21:37:12 +02:00 · 1e45d297b3
commit 1e45d297b3
parent c32f0db582
1 changed files with 3 additions and 0 deletions
--- a/qubes/storage/init.py
+++ b/qubes/storage/init.py
@ -351,6 +351,9 @@ class Storage(object):
            for name, conf in self.vm.volume_config.items():
                if 'source' in conf:
                    template = getattr(vm, 'template', None)
+                    # recursively lookup source volume - templates may be
+                    # chained (TemplateVM -> AppVM -> DispVM, where the
+                    # actual source should be used from TemplateVM)
                    while template:
                        # we have no control over VM load order,
                        # so initialize storage recursively if needed